Comments on: Ground Loop Break Circuits and Their Operation https://www.epanorama.net/blog/2017/08/27/ground-loop-break-circuits-and-their-operation/ All about electronics and circuit design Wed, 29 Apr 2026 21:35:38 +0000 hourly 1 http://wordpress.org/?v=3.9.14 By: Tomi Engdahl https://www.epanorama.net/blog/2017/08/27/ground-loop-break-circuits-and-their-operation/comment-page-1/#comment-1829224 Sat, 01 Jun 2024 15:25:32 +0000 http://www.epanorama.net/newepa/?p=58578#comment-1829224 I have used ground loop isolation devices a lot to solve humming problems in different AV systems. I have used commercial devices and built my own. Audio signal isolation transformers solve many humming problems. The downside is that they can less or more affect sound quality in negative way. And some isokation transformers can pick up noise from nearby mains transformers.

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